The
version 7 GPS SatNav box works with the following Xcarlink Multimedia
interfaces:

Vauxhall/Opel
- CD500/DVD800/CD600 (SKU14849)

http://www.xcarlink.co.uk/product.php?productid=276&cat=41&page=1

Volvo -
With 5" Screen (SKU185)

http://www.xcarlink.co.uk/product.php?productid=174&cat=26&page=1

The mapping software is supplied pre-installed on an Micro SD card which
fits to the Micro SD card slot built into the interface.

The interface connects to the NAVI in port on the multimedia interface
and an invisible touch Screen overlay is supplied which is fitted over your
original screen and converting it to a touch screen to allow you to control the
Navigation for a fully integrated solution.